function (cb) {
bitcoinRpc.getBlockTemplate(function(err, gbt) {
if (err) {
if (!gbt) {
// connection failure, err === {} which is unhelpful
if (connFailurePrint) {
console.log('Baron Init: Bitcoind connection failure. Baron will retry every 15 seconds until it appears.');
connFailurePrint = false;
}
setTimeout(cb, 15000);
}
else if (err.code && err.code === -10) {
// getBlockTemplate returns error code -10 while "Bitcoin is downloading blocks..."
if (syncPrint) {
console.log('Baron Init: Bitcoind is busy syncing blocks. Baron will quietly check every 15 seconds until it is ready.');
syncPrint = false;
}
setTimeout(cb, 15000);
}
else {
// FATAL: unknown other error
console.log('Baron Init: Fatal bitcoind error: ' + JSON.stringify(err));
process.exit(1);
}
}
else {
waitForBitcoind = false;
cb();
}
});
},
function (cb) {
bitcoinUtil.getBlockTemplate(function(err, gbt) {
if (err) {
if (err.code && err.code === -10) {
// getBlockTemplate returns error code -10 while "Bitcoin is downloading blocks..."
console.log(Math.floor(new Date().getTime()/1000) + ": bitcoind is busy syncing blocks, please wait ...");
setTimeout(cb, 10000);
}
else {
// FATAL: unknown other error
console.log('FATAL bitcoind ' + err);
process.exit(1);
}
}
else {
waitForBitcoind = false;
cb();
}
});
},
function (cb) {
bitcoinRpc.getBlockTemplate(function(err, gbt) {
if (err) {
if (!gbt || err.code && err.code === -9 ) {
// ECONNREFUSED, err === {} && !gbt
// err.code === -9 for a split second during bitcoind startup
if (connFailurePrint) {
if (err && err.code) {
log.error(err, 'getBlockTemplate error');
}
else if (err.message === "bitcoin JSON-RPC connection rejected: 401 unauthorized") {
log.fatal('Baron Init: bitcoind credentials are incorrect.');
process.exit(1);
}
log.info('Baron Init: Bitcoind connection failure. Baron will retry every 15 seconds until it appears.');
connFailurePrint = false;
}
setTimeout(cb, 15000);
}
else if (err.code && err.code === -10) {
// getBlockTemplate returns error code -10 while "Bitcoin is downloading blocks..."
if (syncPrint) {
log.info('Baron Init: Bitcoind is busy syncing blocks. Baron will quietly check every 15 seconds until it is ready.');
syncPrint = false;
}
setTimeout(cb, 15000);
}
else {
// FATAL: unknown other error
log.fatal(err, 'Baron Init: Fatal bitcoind error');
process.exit(1);
}
}
else {
waitForBitcoind = false;
cb();
}
});
},